Question

РЕШИТЕ УРАВНЕНИЕ
cos(x-ПИ на 6) -1=0

Answer 1

cos(x-π/6)-1=0
cos(x-π/6)=1
x-π/6=2πk, k∈Z
x=π/6+2πk, k∈Z
Ответ: x=π/6+2πk, k∈Z